Bonforte, A., M. Anzidei, G. Puglisi, M. Mattia, O. Campisi, G. Casula, A. Galvani, A. Pesci, B. Puglisi, and S. Gresta. 2002. “GPS Surveys in the Foreland-Foredeep Tectonic System of Southeastern Sicily:First Results”. Annals of Geophysics 45 (5). https://doi.org/10.4401/ag-3533.